package com.example.p65;

/**
 * @author Lenovo
 */
public class Main {
    public static void main(String args[]) throws Exception{
        int n=20,result=0;
        try{
            result=n/0;
            System.out.println("结果为" +result);
        }
        catch (ArithmeticException ex){
            System.out.println("发算术异常：" + ex);
            try {
                throw new NumberFormatException();
            }
            catch (NumberFormatException ex1){
                System.out.println("触发异常：" + ex1);
            }
        }
    }
}
